Top Pick 1/8″ X 5″ X 36″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54311

1/8 inch thick, 5 inch wide, 36 inches long precision ground flat stock made from AISI O-1 oil hardened steel. Supplied as a single piece for consistent reference surfaces and fixture alignment in metalworking and toolmaking projects.

Precise thickness and width from precision grinding support repeatable setups

Oil hardened steel delivers improved wear resistance and edge retention compared to untreated stock

One piece stock minimizes setup mismatches and simplifies alignment of guides and fixtures

Flat geometry provides predictable reference surfaces for milling, drilling, or forming operations

Consistent straightness along the length aids clamping and fixturing

Specifications

Material: AISI O-1 oil hardened steel

Type: Precision ground flat stock

Thickness: 1/8 inch

Width: 5 inch

Length: 36 inches

Size: 1/8 inch thick x 5 inch wide x 36 inches long

Finish: Precision ground

Form: Flat stock

Applications

Machining shops and metal fabrication facilities for fixtures, jigs, and dies

Toolmaking and prototype development requiring stable base stock for guides and reference surfaces

DIY and educational projects involving precise flat stock for straight edges and templates